Elderberry supplements have limited human research into benefits for blood pressure and overall heart health. Their antioxidants may have some beneficial effects.

NEW YORK (Reuters Health) - A supplement containing olive leaf extract may help lower blood pressure and cholesterol in people on the brink of developing high blood pressure, a new study suggests.

Green tea has long been cited for potential health benefits. Now a new study looks at green tea extract and finds it may help reduce blood sugar levels. It may also lower gut inflammation, according ...

New research in people with a cluster of heart disease risk factors has shown that consuming green tea extract for four weeks can reduce blood sugar levels and improve gut health by lowering ...

STANFORD, Calif. - Add pine-bark extract to the list of dietary supplements that don't live up to their promises of improved health. A new study from the Stanford University School of Medicine shows ...